A Cross Section of a Developing Spinal Cord in a Vertebrate

question 58

Short Answer

A cross section of a developing spinal cord in a vertebrate embryo is shown in the schematic drawing below. Indicate which feature in the drawing (labeled A to E) better matches each of the following descriptions. Your answer would be a four-letter string composed of letters A to E only, e.g. AAEB.

( ) It contains motor neurons.
( ) It is the floor plate.
( ) It secretes BMP and Wnt signals.
( ) It contains sensory neurons.

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Definitions:

Confirmatory Technique

A method or procedure used to confirm the validity of an hypothesis or finding, often applied in the context of scientific research.

Model Building

The process of defining, testing, and revising models that aim to describe and predict patterns or relationships in data.

Repeated-Measures Analysis

A statistical technique used to analyze data collected from the same subjects under different conditions or over different time points.

Tested More Than Once

Refers to the process of evaluating a hypothesis or variables through repeated experimentation or observation to ensure consistency in the results.